Home / 19,325.48-28,988.59-12,704.17

Finding the Fourth Proportional to 19,325.48, 28,988.59 and 12,704.17

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Solution

The fourth proportional to 19,325.48, 28,988.59 and 12,704.17 is: 19,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.48 : 28,988.59 = 12,704.17 : x
  2. Step 2: Convert to fraction form
    19,325.48/28,988.59 = 12,704.17/x
  3. Step 3: Cross multiply
    19,325.48x = 28,988.59 × 12,704.17
  4. Step 4: Simplify right side
    19,325.48x = 368,275,975.42
  5. Step 5: Solve for x
    x = 368,275,975.42/19,325.48
  6. Step 6: Final answer
    x = 19,056.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.